4 letter words:
copy11,
pipy11,
pyic11,
yipe9,
cope8,
epic8,
pepo8,
pice8,
pipe8,
pope8,
3 letter words:
coy8,
icy8,
pye8,
yep8,
yip8,
cep7,
cop7,
pec7,
pep7,
pic7,
pip7,
pop7,
ice5,
ope5,
pie5,
poi5,
2 letter words:
oy5,
ye5,
yo5,
op4,
pe4,
pi4,
oe2,
oi2,